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Type: Posts; User: Kiwi37
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02-24-2016 11:30 AM
Thread: Shell Rotella Oil Zink content
by Kiwi37- Replies
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I have used Castrol GTX 20-50 in my 429 for as...
I have used Castrol GTX 20-50 in my 429 for as long as I can remember (40+ years) but also use Havoline 20-40 in my other cars.
So far all good.
Having said that our 'newest' car is a 1988 model!
Is it going into a build, or making a trip to NM?
GM Engine de-coding